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1201112225 = 52211227699
BaseRepresentation
bin100011110010111…
…1000010010100001
310002201002211012222
41013211320102201
54424441042400
6315104000425
741523166625
oct10745702241
93081084188
101201112225
11566aa6435
12296300115
13161ac37c1
14b573d185
15706aa185
hex479784a1

1201112225 has 12 divisors (see below), whose sum is σ = 1496444400. Its totient is φ = 956331600.

The previous prime is 1201112201. The next prime is 1201112239. The reversal of 1201112225 is 5222111021.

It is not a de Polignac number, because 1201112225 - 220 = 1200063649 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108575 + ... + 119124.

It is an arithmetic number, because the mean of its divisors is an integer number (124703700).

Almost surely, 21201112225 is an apocalyptic number.

It is an amenable number.

1201112225 is a deficient number, since it is larger than the sum of its proper divisors (295332175).

1201112225 is a wasteful number, since it uses less digits than its factorization.

1201112225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227920 (or 227915 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 1201112225 is about 34657.0660183461. The cubic root of 1201112225 is about 1062.9867776439.

Adding to 1201112225 its reverse (5222111021), we get a palindrome (6423223246).

The spelling of 1201112225 in words is "one billion, two hundred one million, one hundred twelve thousand, two hundred twenty-five".

Divisors: 1 5 25 211 1055 5275 227699 1138495 5692475 48044489 240222445 1201112225